Definitions by Misenus

bffsm 

best friends for six months; as coined by Jimmy Fallon and Stephen Colbert

Tracey: Hey can I borrow some money?
Victoria: No way!

Tracey: Oh my god, you are so not my bffsm anymore.

or

Dido: Aeneas is my bffsm because he left me even after our cave sex, to found the Romans.

bffsm by Misenus April 17, 2011